What is a spindle cell nevus of Reed?
Reed nevus (also known as pigmented spindle cell nevus of Reed) is an acquired, benign, melanocytic lesion most frequently classified as a variant of a Spitz nevus. A Reed nevus typically presents as an asymptomatic, single, 2-8 mm, dark brown to black macule or papule on the lower extremities of young adults.
Can congenital nevus be cancerous?
Most congenital nevi usually do not cause health problems, but a small percentage may develop into skin cancer (melanoma) later in life. The risk of melanoma increases with the size of the nevus.
What is CMN disease?
Congenital melanocytic nevi (CMN) are visible pigmented (melanocytic) proliferations in the skin that are present at birth. CMN are benign, tumor-like malformations resulting from faulty development of pigment cell (melanocyte) precursors in the embryo, and composed of an abnormal mixture of skin elements.
Is Reed nevus cancerous?
Spitz and Reed nevi are benign tumours, but on the other side of the spectrum of spitzoid lesions, there are “Spitzoid melanomas” undoubtedly malignant.
Is spindle cell nevus malignant?
Spitz nevus (Epithelioid and Spindle-Cell Nevus) is an uncommon, benign, melanocytic nevus that is usually acquired and has histologic features that overlap with those of melanoma.
Can nevus become malignant?
A dysplastic nevus is more likely than a common mole to become cancer, but most do not become cancer.
Is melanocytic nevus precancerous?
Should Dysplastic Nevi Be Removed? Atypical moles are considered to be precancerous as they are more likely than regular moles to turn into melanoma.
Do congenital nevi go away?
Congenital melanocytic nevi do not go away with time. Some congenital melanocytic nevi may get lighter in color over the first few years of life.
Can a CMN be removed?
Large or giant CMN often require multiple stages of surgery to remove as much of the affected skin as possible. These are usually done through a process called tissue expansion. CMN can also be lightened with laser therapy or chemical peels. However, these treatments may not be permanent.
Can you treat CMN?
For these two reasons, CMN are frequently treated. A variety of treatment modalities have been utilized with variable efficacy, including excision, dermabrasion, curettage, chemical peels, radiation therapy, cryotherapy, electrosurgery, and lasers. The current treatment of choice for CMN is surgical excision.
Where are pigmented spindle cell nevus of Reed found?
Pigmented Spindle Cell Nevus of Reed Pigmented spindle cell nevus is a benign melanocytic lesion that was initially described in 1975 by Reed et al. It is generally found on the trunk or lower extremities of young women. Most authors consider it to be a variant of Spitz nevus.
Is there a cure for spindle cell nevus?
In many cases, no treatment is necessary, unless it causes cosmetic concerns in the individual. But when required, a simple surgical excision of the lesion may be performed The prognosis for Pigmented Spindle Cell Nevus (Reed) is generally excellent, since it is a benign tumor.
Can a pigmented spindle cell nevus be mistaken for melanoma?
In many cases, the Pigmented Spindle Cell Nevus of Reed may be mistaken for a malignant melanoma, due to its sudden onset and certain clinical features. In many cases, no treatment is necessary, unless it causes cosmetic concerns in the individual.
What kind of cell is a reed naevus?
It is also known as a spindle cell naevus. Reed naevus is sometimes classified as a kind of Spitz naevus; the spindle-shaped cells of the Reed naevus may coexist with the epithelioid -type cells more typical of Spitz naevus. What are the clinical features of Reed naevus?